Bump nokogiri from 1.11.2 to 1.11.6

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.11.2 to 1.11.6.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.11.2...v1.11.6)

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -363,7 +363,7 @@ GEM
     mimemagic (0.3.8)
       nokogiri (~> 1)
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.4)
     mixlib-cli (2.1.8)
     mixlib-config (3.0.9)
@@ -378,7 +378,7 @@ GEM
     net-ssh (6.1.0)
     newrelic_rpm (4.1.0.333)
     nio4r (2.5.7)
-    nokogiri (1.11.2)
+    nokogiri (1.11.6)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     nori (2.6.0)